refactor: isbn=0时只输出收到请求isbn=0, 忽略详细参数日志

internal/handler/goods_handler.go

@@ -40,8 +40,6 @@ func (h *GoodsHandler) QueryGoods(w http.ResponseWriter, r *http.Request) {
 
 	// 读取原始body用于调试
 	bodyBytes, _ := io.ReadAll(r.Body)
-	bodyStr := string(bodyBytes)
-	log.Printf("[QueryGoods] 原始请求 Body: [%s], Content-Type: [%s]", bodyStr, r.Header.Get("Content-Type"))
 
 	// 重新创建body供ParseForm使用
 	r.Body = io.NopCloser(bytes.NewBuffer(bodyBytes))
@@ -57,6 +55,17 @@ func (h *GoodsHandler) QueryGoods(w http.ResponseWriter, r *http.Request) {
 	}
 
 	isbn := r.FormValue("isbn")
+	if isbn == "0" {
+		log.Printf("[QueryGoods] 收到请求 isbn=0")
+		var req service.QueryRequest
+		req.ISBN = isbn
+		resp := h.goodsService.QueryGoods(&req)
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusOK)
+		json.NewEncoder(w).Encode(resp)
+		return
+	}
+
 	bookName := r.FormValue("book_name")
 	author := r.FormValue("author")
 	publishing := r.FormValue("publishing")

internal/service/goods_service.go

@@ -67,7 +67,7 @@ type QueryResponse struct {
 // QueryGoods 查询商品信息
 func (s *GoodsService) QueryGoods(req *QueryRequest) *QueryResponse {
 	if req.ISBN == "0" {
-		log.Printf("[QueryGoods] ISBN为0, 跳过处理")
+		log.Printf("[QueryGoods] 收到请求 isbn=0")
 		return &QueryResponse{
 			Code:    200,
 			Message: "success",